<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    付博森
</body>
</html>
<script>
    //控制台输出
    console.log(111);
    //页面输出
    document.write('哈哈哈哈哈')
    //浏览器弹出警告
    alert(777);
    //输出
    prompt('你好你好');
</script>